Home / 27,969.15-41,936.97-18,974.31

Finding the Fourth Proportional to 27,969.15, 41,936.97 and 18,974.31

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Solution

The fourth proportional to 27,969.15, 41,936.97 and 18,974.31 is: 28,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,969.15 : 41,936.97 = 18,974.31 : x
  2. Step 2: Convert to fraction form
    27,969.15/41,936.97 = 18,974.31/x
  3. Step 3: Cross multiply
    27,969.15x = 41,936.97 × 18,974.31
  4. Step 4: Simplify right side
    27,969.15x = 795,725,069.24
  5. Step 5: Solve for x
    x = 795,725,069.24/27,969.15
  6. Step 6: Final answer
    x = 28,450.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.